Transmigrated into One Piece world with a Gift Pack - Chapter 36: Fishman District

A scientific genius named Thomas Harrier was transmigrated to an imperial prince body after a car accident that took his life. He found out that he is in a world similar to our own with a timeline akin to early twentieth century. The body that he is occupying was the imperial prince of a failing empire who suddenly rose to power after a successful assassination attempt of his father. Unaware that the attack is just the beginning of what is to come. He faces many challenges throughout. Will Thomas Harrier be able to live his second life in peace while running an empire and getting it back to its former glory? Or will he succumb into a conspiracy lurking within the country's borders?

Expect some:

Cold war era techs.

Super battleship with advanced electronics, propulsion, and fire control systems?
Helicopters?
Missiles?
Modern medicines and equipment?
AC-130?
A nuke?
Challenger or Abrams or Leopard?
F-4 Phantom or MIG-21?
Colored TV's.

Everything!!!

PS. Cover not mine, I just found it on google.

Luciel Ashford was a powerful vampire hunter who fought for humanity's survival in a dystopian world that was being overrun by supernatural creatures.After being sent on a simple mission to eradicate a vampire nest that appeared near one of the human colonies, no one expected one of the most powerful beings to appear - the vampire king, Alukah.In a big showdown that was thought to be the start of a new era, Luciel faced off against Alukah. He won the battle but at a price. That night marked the fall of humanity's hero.Turned into a vampire, discriminated and hunted by the humans he fought for, he is going to answer their call for help once more to protect the people he cares about.Torn between the two worlds, he is going to climb back to the top, forging his own path while still trying to keep his morals intact.“Well, I have a message for you, god. Screw you!!!”_______________!!!WARNING!!!For those who came for the system, you can expect it to see after ch80. Reason being is that the focus is more on cultivation.The system is just a tool for better understanding of the story that's about to come!

Felix was reincarnated as Lindarion Sunblade, a prince of Eldorath, destined for greatness—or so they say. In a world where magic, swordsmanship, and archery reign supreme, power is everything, and the strong shape history. But strength isn’t given, it’s earned.With a System awakening within him, one that pushes his limits with deadly quests sometimes, helps him with skills, and helps with forging weapons into legendary artifacts, he refuses to be just another noble in a gilded cage.Trials await, enemies lurk in the shadows, and even among his own kind, power breeds conflict.But he will rise. Not just as a prince—but as a ruler, a warrior, and a legend over the entire world.

[WPC #246 - Silver Place Winner!]

Since he was a child, Isaac was unable to improve his strength no matter how much he tried, like he was cursed by the Gods.

One day, a massive snowstorm struck the peaceful city of Snowstar, wreaking havoc in a peaceful community. Young Isaac was wandering alone in the forest when the snowstorm struck, seeking adventures and excitement, but instead, he found something else that completely changed him and his future.

Several years later, Isaac suffered an incident caused by his jealous classmates, which bedridden him for several months, but after the traumatizing experience, doctors thought that it would take him years before he could overcome his trauma, but against all odds... He overcame it in 2 weeks!

Being heavily sheltered and protected by his family after the incident, Isaac's life seemed dull and kind of boring, but then... The highly anticipated VRMMORPG White Online was released. Without thinking twice, Isaac bought the cheapest VR Helmet available and entered the new world with almost zero expectations, but excited nonetheless.

This is the story of Isaac Whitelock, who will rise from being a protected and weak individual to being one of the sole hopes of the entire Human race.

[Connecting...]
[Welcome to White Online!]
[Legacies awaits you!]

[Do you want to be a Legacy Carrier or Casual Player who history won't remember?]
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Disclaimer: Cover owned by me, made by Dini Marlina

Tags: Action - Romance - Adventure - Video Games - Slice of Life - No Harem - R-18 - Yandere - VRMMORPG - Martial Arts - Comedy - Genius Protagonist - Beautiful Male Lead - Worshipped MC - Mysterious Past - Heartwarming - Cute Female Lead - Clingy Lover - Weak to Strong - Gods - Loved MC - Calm Protagonist - Rich Protagonist - Legacies - Historical - Famous Protagonist